int foreign_function_call_active;
#endif
-#if !defined(LISP_FEATURE_SB_THREAD) && !defined(LISP_FEATURE_C_STACK_IS_CONTROL_STACK)
+#if !defined(LISP_FEATURE_SB_THREAD)
lispobj *current_control_stack_pointer;
#endif
#if defined(LISP_FEATURE_X86) || defined(LISP_FEATURE_X86_64) || !defined(LISP_FEATURE_SB_THREAD)